Math 118 quiz 1 questions and answers

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Last updated 10:49 PM on 4/22/26
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13 Terms

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Real numbers

Any number that can be expressed in decimal form

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Inequalities

A relationship involving real #s and any of the four symbols

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Interval

Certain set of #s ex:1

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Unbounded interval

An interval with infinity as one of the boundaries

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|x-3|<1

Distance from 3 is less than 1

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Domain

Set of all real values of the variable for which the expression is defined

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Square root of x

x > and = to 0

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1/x

x cant be zero

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Linear equation

ax+b=0 a and b are constants

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Root/solution

A value that makes the eqn true

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Quadratic formula

ax^2+bx+c=0

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Degree

Highest power

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Graph of an equation

The set of all pts satisfying the eqn